固体力学内耗理论讲授方法TEACHING METHODS OF INTERNAL FRICTION THEORY IN SOLID MECHANICS
乔吉超,郝奇,邢光辉
摘要(Abstract):
固体内耗是研究原子迁移、微观结构演化的重要方法,对理解固体结构缺陷动力学弛豫过程具有重要作用。本文从能量和应力应变滞回曲线出发推导了固体力学内耗表达式,后结合内耗与固体微观结构缺陷弛豫的本征关联概述了晶态固体和非晶态固体力学弛豫模式的研究前沿,这对于固体黏弹性力学的课程教学具有重要借鉴价值。本文结合作者近几年的固体内耗理论教学实践及研究成果,从教学内容、教学方法和教学环节等方面探讨该课程的教学。文中的教学措施可为其他讲授力学课程的教师提供参考。
关键词(KeyWords): 固体内耗;动态力学分析;非晶合金;教学方法
基金项目(Foundation): 国家自然科学基金(51971178);; 陕西省杰出青年基金(2021JC-12)
作者(Author): 乔吉超,郝奇,邢光辉
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